Biology:Pastinachus

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Short description: Genus of cartilaginous fishes

Pastinachus
Pastinachus sephen2.jpg
Cowtail stingray (P. sephen)
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Superorder: Batoidea
Order: Myliobatiformes
Family: Dasyatidae
Subfamily: Hypolophinae
Genus: Pastinachus
Rüppell, 1829
Type species
Raja sephen
Forsskål, 1775
Synonyms
  • Hypolophus Müller & Henle, 1837

Pastinachus is a genus of stingrays in the family Dasyatidae. This genus was long held to be monotypic, containing only the cowtail stingray (P. sephen). Recent studies of Indo-Pacific stingrays have revealed that there are in fact a number of different species of Pastinachus, and that some former junior synonyms may need to be resurrected.[1]

Species

  • Pastinachus ater (W. J. Macleay, 1883) (Broad cowtail stingray)
  • Pastinachus gracilicaudus Last & Manjaji-Matsumoto, 2010 (Narrow cowtail stingray)
  • Pastinachus sephen (Forsskål, 1775) (Cowtail stingray)
  • Pastinachus solocirostris Last, Manjaji & Yearsley, 2005 (Roughnose cowtail stingray)
  • Pastinachus stellurostris Last, Fahmi & Naylor, 2010 (Starrynose cowtail stingray)

Phylogeny

Combining the molecular genetic relationship analysis of the NADH2 DNA, which was used to assign Pastinachus stellurostris,[2] and the analysis of the COI gene, which was used to evaluate P. gracilicaudus accordingly,[3] results in approximately the following cladogram for the genus:

Kladogramm der Gattung Pastinachus

References

  1. Last, P.R.; Manjaji, B.M.; Yearsley, G.K. (2005). "Pastinachus solocirostris sp. nov., a new species of Stingray (Elasmobranchii: Myliobatiformes) from the Indo–Malay Archipelago". Zootaxa 1040: 1–16. 
  2. Peter R. Last, Fahmi, Gavin J. P Naylor: Pastinachus stellurostris sp. nov., a new stingray (Elasmobranchii, Myliobatiformes) from Indonesian Borneo. In: P. R. Last, W. T. White, J. J. Pogonoski (Hrsg.): Descriptions of new sharks and rays from Borneo. CSIRO Marine and Atmospheric Research Paper no. 32; S. 129–140, 2010
  3. Peter R. Last, B. Mabel Manjaji-Matsumoto: Description of a new stingray, Pastinachus gracilicaudus sp. nov. (Elasmobranchii, Myliobatiformes), based on material from the Indo-Malay Archipelago. In: P. R. Last, W. T. White, J. J. Pogonoski (Hrsg.): Descriptions of new sharks and rays from Borneo. CSIRO Marine and Atmospheric Research Paper no. 32; S. 115–128, 2010

Wikidata ☰ Q139609 entry